/Engine/Source/Runtime/Foliage/Public/FoliageStatistics.h
Get the transform of every instance overlapping the provided FBox
static void FoliageOverlappingBoxTransforms ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * WorldContextObject, const [UStaticMesh](API\Runtime\Engine\Engine\UStaticMesh) * StaticMesh, FBox Box, [TArray](API\Runtime\Core\Containers\TArray)< FTransform > & OutTransforms )